笨方法创建时间树状结构多选框_a-tree-select showcheckedstrategy-优快云博客

本文链接：https://blog.youkuaiyun.com/zhangbowenaa/article/details/123073149

本文介绍了如何使用Ant Design Vue的TreeSelect组件创建一个带有必填验证的组织代码选择器，并展示如何通过JavaScript生成动态月份数据，结合两个数据源以展示不同年份的考勤日期。

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//标签
  <a-tree-select
            v-decorator="['orgCode', { rules: [{ required: true, message: '不考勤日期!' }] }]"
            style="width: 100%"
            :tree-data="treeData"
            tree-checkable
            :show-checked-strategy="SHOW_PARENT"
            search-placeholder="Please select"
          />
//引入
import { TreeSelect } from 'ant-design-vue'
import moment from 'moment'
const SHOW_PARENT = TreeSelect.SHOW_PARENT


//数据源
treeData: [],
dataarr1: [],
dataarr2: [],
SHOW_PARENT,

//方法
  begin() {
      this.datatime(this.dataarr1,moment().year())
      this.datatime(this.dataarr2,moment().year()+1)
      this.treeData = this.dataarr1.concat(this.dataarr2)
    },
 datatime(arr,year) {
      for (let i = 1; i <= 12; i++) {
        arr.push({
          title: year + '-' + (i >= 10 ? i : '0' + i),
          // title: `${moment(new Date()).format('YYYY')}-${i > 10 ? i : '0'`${i}`}`,
          value: year + '-' + (i >= 10 ? i : '0' + i),
          key: year + '-' + (i >= 10 ? i : '0' + i),
          month: i,
          children: [],
        })
      }

      arr.forEach((el) => {
        if (
          el.month == 1 ||
          el.month == 3 ||
          el.month == 5 ||
          el.month == 7 ||
          el.month == 8 ||
          el.month == 10 ||
          el.month == 12
        ) {
          for (let i = 1; i <= 31; i++) {
            el.children.push({
              title: el.value + '-' + (i >= 10 ? i : '0' + i),
              value: el.value + '-' + (i >= 10 ? i : '0' + i),
              key: el.value + '-' + (i >= 10 ? i : '0' + i),
              day: i,
            })
          }
        } else if (el.month == 4 || el.month == 6 || el.month == 9 || el.month == 11) {
          for (let i = 1; i <= 30; i++) {
            el.children.push({
              title: el.value + '-' + (i >= 10 ? i : '0' + i),
              value: el.value + '-' + (i >= 10 ? i : '0' + i),
              key: el.value + '-' + (i >= 10 ? i : '0' + i),
              day: i,
            })
          }
        } else {
          if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) {
            for (let i = 1; i <= 29; i++) {
              el.children.push({
                title: el.value + '-' + (i >= 10 ? i : '0' + i),
                value: el.value + '-' + (i >= 10 ? i : '0' + i),
                key: el.value + '-' + (i >= 10 ? i : '0' + i),
                day: i,
              })
            }
          } else {
            for (let i = 1; i <= 28; i++) {
              el.children.push({
                title: el.value + '-' + (i >= 10 ? i : '0' + i),
                value: el.value + '-' + (i >= 10 ? i : '0' + i),
                key: el.value + '-' + (i >= 10 ? i : '0' + i),
                day: i,
              })
            }
          }
        }
      })
    },